Testing Quartz CronTrigger trigger

Question

Assuming that I have a CronTriggerBean similar to

Answer 1

I found a cool documentation here about testing the CronExpression: http://www.nurkiewicz.com/2012/10/testing-quartz-cron-expressions.html

The C# implementation will be something like this:

void Run()
{
    //var collection = findTriggerTimesRecursive(new CronExpression("0 0 17 L-3W 6-9 ? *"), DateTime.UtcNow);
    var collection = findTriggerTimesRecursive(new CronExpression("0 0/15 * 1/1 * ? *"), DateTime.UtcNow);
    Console.WriteLine(DateTime.UtcNow);
    foreach (var item in collection)
    {
        Console.WriteLine(item);
    }
}

public List findTriggerTimesRecursive(CronExpression expr, DateTimeOffset from, int max = 10)
{
    var times = new List();
    var next = expr.GetNextValidTimeAfter(from);

    while (next != null && times.Count < max)
    {
        times.Add(next.Value);
        from = next.Value;
        next = expr.GetNextValidTimeAfter(from);
    }

    return times;
}

This is a cool demo. But at the end, I end using Simple Schedule.

var trigger = TriggerBuilder.Create()
    .WithIdentity("trigger3", "group1")
    .WithSimpleSchedule(
        x =>
        {
            x.WithIntervalInMinutes(15);
            x.RepeatForever();
        }
    )
    .ForJob("myJob", "group1")
    .Build();

Because this is executed immediately and then every x time.